[ 5/6 ] [ -5/6 ] [ 0 ] -4/3 |-> 5/6 4/3 |-> -5/6 -7/6 |-> 0 7/6 |-> 0 -1/2 |-> -5/6 1/2 |-> 5/6 f(z) = -3/2*z^3 + 49/24*z * [ 3/10 ] [ -3/10 ] [ 0 ] -4/5 |-> 3/10 4/5 |-> -3/10 -7/10 |-> 0 7/10 |-> 0 -1/2 |-> -3/10 1/2 |-> 3/10 f(z) = -5/2*z^3 + 49/40*z * [ -8/5 ] [ 8/5 ] [ 0 ] -3/5 |-> 8/5 3/5 |-> -8/5 -7/5 |-> 0 7/5 |-> 0 -1 |-> 8/5 1 |-> -8/5 f(z) = 5/3*z^3 - 49/15*z * [ -15/14 ] [ 15/14 ] [ 0 ] -13/14 |-> 0 13/14 |-> 0 -4/7 |-> 15/14 4/7 |-> -15/14 -1/2 |-> 15/14 1/2 |-> -15/14 f(z) = 7/2*z^3 - 169/56*z * [ -8/15 ] [ 8/15 ] [ 0 ] -13/15 |-> 0 13/15 |-> 0 -7/15 |-> -8/15 7/15 |-> 8/15 -1 |-> 8/15 1 |-> -8/15 f(z) = -15/7*z^3 + 169/105*z * TOTAL: 5